$0.10/$0.25 No Limit Hold'em Cash, 6 Players

SB: $29.56 (118.2 bb)
BB: $21.72 (86.9 bb)
UTG: $27.48 (109.9 bb)
MP: $19.75 (79 bb)
Hero (CO): $77.51 (310 bb)
BTN: $43.18 (172.7 bb)

Preflop: Hero is CO with Tc Ac
UTG folds, MP raises to $0.85, Hero calls $0.85, BTN calls $0.85, SB calls $0.75, BB folds

Flop: ($3.65) 7c 4h 2c (4 players)
SB checks, MP bets $1.87, Hero raises to $5.60, BTN folds, SB raises to $28.71, MP calls $17.03 and is all-in, hero???

Hi,

any thoughts about my line pre-flop and on the flop would be nice. Would you do any different any are you calling or folding on flop.

Thanks.